Home / 91,660.95-126,490.01-53,418.06

Finding the Fourth Proportional to 91,660.95, 126,490.01 and 53,418.06

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Solution

The fourth proportional to 91,660.95, 126,490.01 and 53,418.06 is: 73,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,660.95 : 126,490.01 = 53,418.06 : x
  2. Step 2: Convert to fraction form
    91,660.95/126,490.01 = 53,418.06/x
  3. Step 3: Cross multiply
    91,660.95x = 126,490.01 × 53,418.06
  4. Step 4: Simplify right side
    91,660.95x = 6,756,850,676.49
  5. Step 5: Solve for x
    x = 6,756,850,676.49/91,660.95
  6. Step 6: Final answer
    x = 73,715.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.